Changeset 40112 in vbox for trunk/src

Timestamp:

Feb 14, 2012 2:05:25 AM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

76253

Message:

Audio/HDA: reinitialize pointer to verb routine before every lookup and don't try process verb vith NULL verb routine.

File:

• trunk/src/VBox/Devices/Audio/DevIchIntelHDA.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Audio/DevIchIntelHDA.cpp

@@ -883 +883 @@
         uint32_t cmd;
         uint64_t resp;
+        pfn = (PFNCODECVERBPROCESSOR)NULL;
         corbRp++;
         cmd = pState->pu32CorbBuf[corbRp];
@@ -890 +891 @@
         Assert(pfn);
         (rirbWp)++;
-        rc = pfn(&pState->Codec, cmd, &resp);
+
+        if (RT_LIKELY(pfn))
+            rc = pfn(&pState->Codec, cmd, &resp);
+        else
+            rc = VERR_INVALID_FUNCTION;
+
         if (RT_FAILURE(rc))
             AssertRCReturn(rc, rc);